<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="简介" prop="synopsis">
        <el-input
          v-model="queryParams.synopsis"
          placeholder="请输入简介"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['blog:article:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['blog:article:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['blog:article:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['blog:article:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>
    <el-table v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文章id" align="center" prop="id" />
      <el-table-column label="标题" align="center" prop="title"  :show-overflow-tooltip="true" />
      <el-table-column label="简介" align="center" prop="synopsis" :show-overflow-tooltip="true" />
      <el-table-column label="内容" align="center" prop="content" :show-overflow-tooltip="true" />
      <el-table-column label="封面图" align="center" prop="covers" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.covers" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="收藏数" align="center" prop="star" />
      <el-table-column label="点赞数" align="center" prop="likes" />
      <el-table-column label="浏览量" align="center" prop="views" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="状态" align="center" prop="isState">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.isState"/>
        </template>
      </el-table-column>
      <el-table-column label="审核" align="center" prop="isAudit">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.isAudit"/>
        </template>
      </el-table-column>
      <el-table-column label="未删除" align="center" prop="isDelete">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.isDelete"/>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="删除时间" align="center" prop="deleteTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.deleteTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['blog:article:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['blog:article:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <!-- 添加或修改博客文章对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1200px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="简介" prop="synopsis">
          <el-input v-model="form.synopsis" placeholder="请输入简介" />
        </el-form-item>
        <el-form-item label="封面图" prop="covers">
          <image-upload :limit="1" v-model="form.covers"/>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
        <el-form-item label="内容" style="overflow: hidden">
          <editor v-model="form.content" :min-height="192"  />
        </el-form-item>

        <el-form-item label="分类" prop="groupId">
          <el-select v-model="form.groupId" placeholder="请选择分类">
            <el-option
              v-for="dict in option.groupList "
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="标签" prop="tags">
          <el-select @change="$forceUpdate()" v-model="form.tags" multiple   :multiple-limit="3" placeholder="请选择标签">
            <el-option
              v-for="dict in option.tagList"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="状态" prop="isState">
          <el-select   v-model="form.isState" placeholder="请选择状态">
            <el-option
              v-for="dict in dict.type.sys_yes_no"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="审核" prop="isAudit">
          <el-select v-model="form.isAudit" placeholder="请选择审核">
            <el-option
              v-for="dict in dict.type.sys_yes_no"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="是否删除" prop="isDelete">
          <el-select v-model="form.isDelete" placeholder="请选择是否删除">
            <el-option
              v-for="dict in dict.type.sys_yes_no"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listArticle, getArticle, delArticle, addArticle, updateArticle } from "@/api/blog/article";
import {listAllGroup} from "@/api/blog/group";
import {listAllLabel} from "@/api/blog/label";


export default {
  name: "Article",
  dicts: ['sys_yes_no'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 博客文章表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        synopsis: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      // 文章选项
      option:{
        groupList:[], //文章分组选项
        tagList:[]    //文章标签选项
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询博客文章列表 */
    getList() {
      this.loading = true;
      listArticle(this.queryParams).then(response => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
        //文章查询成功后查询其他信息
        this.getAllGroup();
        this.getAllTag();
      });
    },
    /**  查询所有文章分组 **/
    getAllGroup() {
      listAllGroup().then(response => {
        this.option.groupList = [];
        for (let i = 0; i < response.data.length; i++) {
          const {id, group} =  response.data[i];
          this.option.groupList.push({value:id,label:group});
          // console.log(this.option.groupList)
        }
      });
    },
    /** 查询所有文章标签 **/
    getAllTag() {
      listAllLabel().then(response => {
        // console.log(response)
        this.option.tagList =[];
        for (let i = 0; i < response.data.length; i++) {
          const {id, label} = response.data[i];
          this.option.tagList.push({value:id,label:label});
        }
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        authorId: null,
        groupId: null,
        title: null,
        synopsis: null,
        content: null,
        covers: null,
        star: null,
        likes: null,
        views: null,
        remark: null,
        isState: null,
        isAudit: null,
        isDelete: null,
        createTime: null,
        updateTime: null,
        deleteTime: null,
        tags:[]
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加博客文章";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getArticle(id).then(response => {
        this.form = response.data;
        console.log(response.data)
        this.open = true;
        this.title = "修改博客文章";
        //多选框数据处理
        this.form.tags = this.form.labels.map(label => label.id);
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateArticle(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticle(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除博客文章编号为"' + ids + '"的数据项？').then(function() {
        return delArticle(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('blog/article/export', {
        ...this.queryParams
      }, `article_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
